#643ce2
a balanced, vivid blue · warm · closest name: slateblue
RGB
100, 60, 226
HSL
255°, 74%, 56%
CMYK
56, 74, 0, 11
Luminance
0.1143
Every format
| HEX | #643ce2 |
| RGB | rgb(100, 60, 226) |
| HSL | hsl(255, 74%, 56%) |
| CMYK | cmyk(56%, 74%, 0%, 11%) |
| LAB | lab(40.3 57.7 -78.0) |
| LCH | lch(40.3 97.0 306.5) |
| OKLCH | oklch(0.511 0.233 285.8) |
Copy-ready code
/* CSS */
color: #643ce2;
background-color: #643ce2;
/* Tailwind (arbitrary) */
class="text-[#643ce2] bg-[#643ce2]"
/* SCSS */
$brand: #643ce2;
/* SwiftUI */
Color(red: 0.392, green: 0.235, blue: 0.886)
/* Android */
Color.parseColor("#643ce2")Accessibility — WCAG contrast
Aa
#643ce2 on white: 6.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643ce2 on black: 3.29:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.5%
Blue88.6%
CMYK percentages
Cyan55.8%
Magenta73.5%
Yellow0.0%
Key (black)11.4%
Color previews
#643ce2 text on a black background
contrast 3.29:1
Card sample
#643ce2 text on a white background
contrast 6.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643ce2;
Background color
Panel with #643ce2 background
background-color: #643ce2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643ce2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 60, 226, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 60, 226, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643ce2; background: linear-gradient(135deg, #643ce2, #D33CE2);